1. The Varieties of Human Physique;Sheldon,1940
2. Variations in Human Body Build. A Somatometric and X-ray Cephalometric Investigation of Scandinavian Adults;Lindegärd,1953
3. A factorial study of some morphological and psychological aspects of human constitution;Rees;J. ment. Sci.,1945
4. Constitutional factors and abnormal behaviour;Rees,1960